yeeeeeeeeeeeeetaco
yeeeeeeeeeeeeetaco yeeeeeeeeeeeeetaco
  • 08-05-2021
  • Mathematics
contestada

Alex has some marbles.
Billie has three times as many marbles are Alex.
Chris has 9 fewer marbles than Billie.
In total they have 68 marbles.
How many marbles does Alex have?

Respuesta :

reeserl reeserl
  • 08-05-2021

Answer:

11 marbles

Step-by-step explanation:

Let x = no. of marbles-Alex

3x = no. of marbles-Billie

3x - 9 = no. of marbles-Chris

x + 3x + 3x - 9 = 68

7x - 9 = 68

7x = 77

x = 11

Answer Link

Otras preguntas

WILL MARK BRAINIEST!!!
Pleaseeeee help! Ill give brianliest!
g(n) = 2n + 2 f(n) = n^2-3 Find (g+f)(n) please show work
Borrowing money mastery test
Please help me with this!
find the value of the missing side round to the nearest tenth​
based on the passage how does paul feel about mitchell
Write a paragraph summarizing your interpretation of the use of atomic bombs to end World War II in Japan. Be sure to fully address the essential question: Was
Try and answer this one. I WILL GIVE BRAINLIEST.
Kate Chopin short stories were very popular in the magazines